68 lines
1.7 KiB
C
68 lines
1.7 KiB
C
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// 20 may 2015
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#include "uipriv_windows.h"
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struct combobox {
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uiCombobox c;
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HWND hwnd;
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};
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static void onDestroy(void *data)
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{
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struct combobox *c = (struct combobox *) data;
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uiFree(c);
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}
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// from http://msdn.microsoft.com/en-us/library/windows/desktop/dn742486.aspx#sizingandspacing
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#define comboboxWidth 107 /* this is actually the shorter progress bar width, but Microsoft only indicates as wide as necessary */
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#define comboboxHeight 14
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static void comboboxPreferredSize(uiControl *c, uiSizing *d, intmax_t *width, intmax_t *height)
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{
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*width = uiWindowsDlgUnitsToX(comboboxWidth, d->Sys->BaseX);
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*height = uiWindowsDlgUnitsToY(comboboxHeight, d->Sys->BaseY);
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}
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static void comboboxAppend(uiCombobox *cc, const char *text)
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{
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struct combobox *c = (struct combobox *) cc;
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WCHAR *wtext;
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LRESULT res;
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wtext = toUTF16(text);
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res = SendMessageW(c->hwnd, CB_ADDSTRING, 0, (LPARAM) wtext);
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if (res == (LRESULT) CB_ERR)
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logLastError("error appending item to uiCombobox");
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else if (res == (LRESULT) CB_ERRSPACE)
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logLastError("memory exhausted appending item to uiCombobox");
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uiFree(wtext);
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}
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uiCombobox *uiNewCombobox(void)
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{
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struct combobox *c;
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uiWindowsMakeControlParams p;
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c = uiNew(struct combobox);
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uiTyped(c)->Type = uiTypeCombobox();
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p.dwExStyle = WS_EX_CLIENTEDGE;
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p.lpClassName = L"combobox";
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p.lpWindowName = L"";
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p.dwStyle = CBS_DROPDOWNLIST | WS_TABSTOP;
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p.hInstance = hInstance;
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p.lpParam = NULL;
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p.useStandardControlFont = TRUE;
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p.onDestroy = onDestroy;
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p.onDestroyData = c;
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uiWindowsMakeControl(uiControl(c), &p);
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c->hwnd = (HWND) uiControlHandle(uiControl(c));
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uiControl(c)->PreferredSize = comboboxPreferredSize;
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uiCombobox(c)->Append = comboboxAppend;
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return uiCombobox(c);
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}
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